package cn.kgc.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter(value = "/*")
public class CharacterEncodingFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("filter in....");
//        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
        servletRequest.setCharacterEncoding("UTF-8");
//        HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
        servletResponse.setCharacterEncoding("UTF-8");
        filterChain.doFilter(servletRequest, servletResponse);
        System.out.println("filter end....");
    }
}
